20 Most Recent La Marzocco FB-80 Series 3 Groups Coffee Maker Questions & Answers

The fuse in the mainboard is gone.

Your front brew boiler likely has a dead heating element or there is a problem with the electrical system for the front boiler.

If it is leaking from the gauge then have it replaced ASAP. It is easy to replace, just make sure machine is turned off and cooled and water is turned off.

Check the shower screen and water flow. Press the brew button and watch how the water flows, is it a nice shower or a blob of water, is it in the middle of the screen or close to the edge. Also check the groups where they are connected to the boiler, if it is welded skip the bottom great, if not and there are gaskets, nuts and bolts, and water is flowing on the edge of the screen then it is possible that the diffuser gasket needs to be replaced.

Either the water is restricted at the flowmeter pipes usually the on leading to the solenoid, or the solenoid needs to be checked, the inlet hole might be blocked.

Make sure there is water in the boiler, then check the thermostat on the boiler.

Your problem is either the brew solenoid or the brew switch.

Pump pressure is adjusted at the pump. There is a nut or screw next to the water inlet that is used to change the discharge pressure. This assumes that your pump is running. Your pressure of 2-3 bars sounds like the pump is not running at all. Put your hand on the motor to determine if it is running. If it is not running then that is the problem you need to diagnose. If it is running then it could be the pump or coupling.

Sounds like the safety thermostats on the machine is tripping because the machine is overheating or the circuit breaker is tripping because machine needs more amperage.

Machine is not getting water fast enough.

De scale the left group , use the right group in the mean time .

Sounds like the the tube that connects to the pressure stat is blocked or the pressure stat is damaged and needs to be replaced.

Is the machine on a 20Amp or 30Amp circuit. If 20 then change it to a 30 amp circuit. That should provide enough power for the machine. in some units there is a reset button in the broiler chamber.but if its not in your machine.then there is no other reset button.the problem indicates that its fault in the control panel of the machine.either its a power problem or the fault in the control panel.the machine control panel has to be checked and replaced. check out.keep updated.thanks.